Vista Applied Solutions Group Inc ยท 1 day ago
Senior Linux System Administrator
Houston, TX
Contract
Onsite
Senior Level, Lead/Staff
10+ years expVista Applied Solutions Group Inc is seeking a Senior Linux Engineer for a contract-to-hire role. The ideal candidate will lead the design and administration of large-scale Linux environments, ensuring stability, scalability, and security while mentoring junior engineers.
Information TechnologySoftware
Responsibilities
Develop end-to-end infrastructure solutions for enterprise workloads using Linux/Unix technologies
Create long-term roadmaps supporting modernization, cloud adoption, platform upgrades, and hybrid integrations
Ensure system designs meet high requirements for resiliency, security, compliance, and performance
Oversee day-to-day oversight, upkeep, and optimization of a large fleet of Linux servers
Troubleshoot complex issues affecting availability, performance, or capacity in fast-paced operational environments
Build automation frameworks for provisioning, patching, deployment, and configuration using tools such as Terraform and Ansible
Lead infrastructure initiatives from planning through execution, managing schedules, risks, resources, and communications
Coordinate across engineering, operations, and business teams to ensure alignment with organizational objectives
Deliver project outcomes that meet scope, timelines, and operational needs
Provide mentorship and guidance to Linux administrators and engineers
Encourage a high-performing culture dedicated to reliability, responsiveness, and continuous improvement
Support incident management activities with expert-level troubleshooting and decision-making
Implement and support cloud solutions using major providers, including Oracle Cloud and other hyperscale environments
Evaluate cloud capabilities and recommend optimal placements for workloads based on cost, performance, and security needs
Design connectivity and hybrid cloud strategies that integrate on-prem and cloud resources seamlessly
Ensure platforms adhere to security best practices, including hardening, privileged access management, and compliance controls
Work with internal teams to maintain audit readiness and meet regulatory, industry, and corporate standards
Qualification
Required
Degree in a technology-related discipline or equivalent professional experience
10+ years working with Linux/Unix systems in both engineering and architectural capacities
Experience supporting environments with hundreds of servers or similarly large deployments
Hands-on experience with Oracle Cloud and familiarity with AWS or Azure
Proficiency in automation, scripting, and infrastructure-as-code (Terraform, Ansible, Python, Shell/Bash)
Strong understanding of networking, virtualization, storage, and high-availability architectures
Demonstrated experience leading technical teams and supporting high-stakes, always-on environments
Preferred
Relevant cloud certifications (OCI, AWS, Azure)
Experience with container platforms such as Kubernetes
Knowledge of clustering, disaster recovery strategies, and performance tuning
Project management credentials (e.g., PMP or similar)
Strong communication skills and comfort engaging with stakeholders at all levels
Company
Vista Applied Solutions Group Inc
Vista Applied Solutions Group is a staffing and recruiting company offering application software development services.
201-500 employees
H1B Sponsorship
Vista Applied Solutions Group Inc has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (149)
2024 (117)
2023 (173)
2022 (114)
2021 (120)
2020 (165)
Funding
Current Stage
Growth StageCompany data provided by crunchbase